udhcpc: add -x OPT:VAL option
function old new delta
udhcp_str2optset - 443 +443
add_client_options - 160 +160
udhcpc_main 2753 2857 +104
packed_usage 26670 26689 +19
attach_option 380 385 +5
udhcpd_main 1964 1965 +1
udhcp_add_option_string 94 86 -8
add_param_req_option 128 - -128
read_opt 443 - -443
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(add/remove: 2/2 grow/shrink: 4/1 up/down: 732/-579) Total: 153 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>